Perhaps you should try some spelling variations:
parameters optimisation » parameter optimization, parameter estimation
optimisation algorithm » optimization algorithms, estimation algorithm, estimation algorithms
source algorithm » our algorithm, search algorithm
a using » ε using, 19 using
_ using » _ housing

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( ((a using) OR (_ using)) source algorithm ) or ( modified parameters optimisation algorithm ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((a using) OR (_ using)) source algorithm ) OR ( modified parameters optimisation algorithm )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((a using) OR (_ using)) source algorithm ) or ( modified parameters optimisation algorithm ))".
• Adding a wildcard symbol may retrieve word variants: (( ((a using) OR (_ using)) source algorithm ) or ( modified parameters optimisation algorithm ))*.